Publish v2. Work needs to be reconstructed and refactored from out-of-repo sources. Trying to maintain naming consistency, but work is needed to restore a complete render process for all parts

main
mmcwilliams 3 years ago
parent c501ccba5c
commit 459bcecaea
  1. 317
      100ft_v2/gnal_100ft.scad
  2. 197
      50ft_v2/gnal_50ft.scad
  3. 453
      libraries/gnal.scad

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//V2
include <../libraries/gnal.scad>;
SPOKE_COUNT = 24;
PART="";
module gnal_spiral_100ft (spiral_count = 60, od = 298.75) {
outer_d = 299;
outer_d_inside = outer_d - 6;
outer_h = 7.5;
spoke_len = 123;
spoke_w = 3;
spoke_h = 4.2 + 3;
spoke_2_len = 85;
spoke_cross_1_d = 63;
spoke_cross_1_w = 18;
spoke_cross_2_d = 108;
spoke_cross_2_w = 15;
spoke_3_len = 39;
spoke_3_w = 2;
translate([0, 0, -3.6]) difference () {
cylinder(r = outer_d / 2, h = spoke_h, center = true, $fn = 500);
cylinder(r = outer_d_inside / 2, h = outer_h + 1, center = true, $fn = 500);
}
difference () {
gnal_spiral_core();
//rounded spoke voids
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([0, 26.75, 0]) {
cylinder(r = 2, h = 20, center = true, $fn = 40);
}
}
}
}
//main spokes
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, i * (360 / SPOKE_COUNT)]) {
translate([(spoke_len / 2) + (48 / 2), 0, -3.6]) {
cube([spoke_len, spoke_w, spoke_h], center = true);
}
}
}
//secondary spokes
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([(outer_d / 2) - (spoke_2_len / 2) - 2, 0, -3.6]) {
cube([spoke_2_len, spoke_w, spoke_h], center = true);
}
}
}
//spoke cross bars
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([63, 0, -3.6]) {
rotate([0, 0, 20]) {
cube([ spoke_w, 18, spoke_h], center = true);
}
}
}
}
//second spokes
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([(outer_d / 2) - (spoke_2_len / 2) - 2, 0, -3.6]) {
cube([spoke_2_len, spoke_w, spoke_h], center = true);
}
}
}
//second spoke cross pieces
for (i = [0 : SPOKE_COUNT * 2]) {
rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2))]) {
translate([spoke_cross_2_d, 0, -3.6]) {
rotate([0, 0, -20]) {
cube([ spoke_w, spoke_cross_2_w, spoke_h], center = true);
}
}
}
}
//third spokes
for (i = [0 : SPOKE_COUNT * 2]) {
rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2))]) {
translate([(outer_d / 2) - (spoke_3_len / 2) - 2, 0, -3.6]) {
cube([spoke_3_len, spoke_3_w, spoke_h], center = true);
}
}
}
//translate([0, 0, 1]) rotate([0, 0, 0]) spiral_2 (START_D = 46.95, SPIRALS = spirals); //12 //40
//translate([0, 0, -.1]) rotate([0, 0, -90]) film_guide(spiral_count, 298.75);
//translate([0, 0, -.1]) spirals_old(spiral_count, 46.95 - 1.2, 2.075);
translate([0, 0, -.1]) {
rotate([0, 0, -90]) {
difference () {
film_guide(spiral_count, od);
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT) ]) {
translate([(83 / 4) + (48 / 2), 0, -3.6]) triangle_void();
}
}
for (i = [0 : SPOKE_COUNT * 2]) {
rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2)) ]) {
translate([(258 / 2) - (spoke_2_len / 2) + 1 , 0, -3.6]) triangle_void_2();
}
}
for (i = [0 : SPOKE_COUNT * 4]) {
rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 4)) ]) {
if (i % 2 == 0) {
translate([(outer_d / 2) - (spoke_3_len / 2) + 1 , 0.3, -3.6]) triangle_void_3();
} else {
translate([(outer_d / 2) - (spoke_3_len / 2) + 1, -0.3, -3.6]) triangle_void_3();
}
}
}
}
}
}
}
module spacer_ridges () {
ridges = 16;
for (i = [0 : ridges]) {
rotate([0, 0, i * (360 / ridges)]) translate([13.5, 0, 0]) cylinder(r = 1.25, h = 8, $fn = 60);
}
}
module spacer_ridges_loose () {
ridges = 16;
intersection () {
union () {
for (i = [0 : ridges]) {
rotate([0, 0, i * (360 / ridges)]) translate([13.7, 0, 0]) cylinder(r = 1.25, h = 8, $fn = 60);
}
}
cylinder(r = 13.7, h = 12, center = true);
}
}
module spacer_outer_ridges () {
ridges = 24;
H = 6.5;
difference () {
union () {
for (i = [0 : ridges]) {
rotate([0, 0, i * (360 / ridges)]) translate([14.6, 0, -4.75]) cylinder(r = 1.25, h = 8, $fn = 30);
}
}
translate([0, 0, -4.1]) difference () {
cylinder(r = 33 / 2, h = 4, center = true, $fn = 100);
cylinder(r2 = 33 / 2, r1 = 27.75 / 2, h = 4.1, center = true, $fn = 100);
}
}
}
module gnal_spiral_100ft_spacer () {
add = 3.25;
core_d = 29.5;
core_bottom_d = 26.2 + .2;
void_d = 22.5;
h = 8 + add;
translate([0, 0, (add / 2) - 1]) difference () {
union () {
difference () {
cylinder(r = core_d / 2, h = h, center = true, $fn = 200);
translate([0, 0, 8]) cylinder(r = core_bottom_d / 2, h = h, center = true, $fn = 200);
cylinder(r = void_d / 2, h = h + 1, center = true, $fn = 200);
}
translate([0, 0, 0]) spacer_ridges_loose();
spacer_outer_ridges();
}
//trim top
translate([0, 0, h - 0.1]) cylinder(r = (core_d + 1) / 2, h = h, center = true, $fn = 200);
//trim bottom
translate([0, 0, -h + 0.9]) cylinder(r = (core_d + 1) / 2, h = h, center = true, $fn = 200);
//finger grips
//translate([0, 24, 0]) rotate([-6, 0, 0]) cylinder(r = 10, h = 6, center = true, $fn = 100);
//translate([0, -24, 0]) rotate([6, 0, 0]) cylinder(r = 10, h = 6, center = true, $fn = 100);
}
}
module gnal_100ft_top () {
H = 5;
center_d = 53;
spoke_w = 4.5;
spokes = 12;
outer_d = 299;
inner_d = 150;
inner_d_2 = 215;
void_d = 22.5;
hole_d = 3.5;
hole_spacing = 37;
core_d = 29.5;
core_bottom_d = 26.2;
difference () {
union () {
cylinder(r = center_d / 2, h = H, center = true, $fn = 100);
for (i = [0 : spokes]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, outer_d / 4, 0]) cube([spoke_w, (outer_d / 2) - 1, H], center = true);
}
//outer spokes
for (i = [0 : spokes * 2]) {
rotate([0, 0, i * (360 / (spokes * 2))]) translate([0, (outer_d / 2) - 25, 0]) cube([spoke_w, (outer_d / 2) - (inner_d_2 / 2) , H], center = true);
}
}
//void
cylinder(r = void_d / 2, h = H + 1, center = true, $fn = 100);
//speed holes
for (i = [0 : 3]) {
rotate([0, 0, (i * 90) + 45]) translate([0, hole_spacing / 2, 0]) cylinder(r = hole_d / 2, h = H + 1, center = true);
}
//rounding of center cylinder
for (i = [0 : spokes]) {
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([-2.75, 26.5, 0]) cylinder(r = 2, h = H+1, center = true, $fn = 40);
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([2.75, 26.5, 0]) cylinder(r = 2, h = H+1, center = true, $fn = 40);
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([0, 26.5, 0]) cube([5, 4, H + 1], center = true);
}
}
difference () {
cylinder(r = (center_d / 2) - 1.8, h = H, center = true, $fn = 200);
cylinder(r = (hole_spacing / 2) + 2, h = H + 1, center = true, $fn = 200);
}
//outer ring
difference () {
cylinder(r = outer_d / 2, h = H, center = true, $fn = 200);
cylinder(r = (outer_d / 2) - 5, h = H + 1, center = true, $fn = 200);
}
//inner ring
difference () {
cylinder(r = inner_d / 2, h = H, center = true, $fn = 200);
cylinder(r = (inner_d / 2) - 5, h = H + 1, center = true, $fn = 200);
}
//second inner ring
difference () {
cylinder(r = inner_d_2 / 2, h = H, center = true, $fn = 200);
cylinder(r = (inner_d_2 / 2) - 5, h = H + 1, center = true, $fn = 200);
}
//rounded cross connectors
for (i = [0 : spokes]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, (inner_d / 2) - (spoke_w / 2), 0]) difference() {
cylinder(r = 6.5, h = H, center = true);
translate([6.25, 6, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.25, 6, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.1, -7, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([6.1, -7, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
}
}
difference () {
union () {
translate([0, 0, 3.75 + 1]) cylinder(r = core_d / 2, h = H, center = true, $fn = 60);
translate([0, 0, 3.75 + 1 + 3.2]) cylinder(r = core_bottom_d / 2, h = H, center = true, $fn = 60);
}
cylinder(r = void_d / 2, h = H * 5 , center = true, $fn = 100);
translate([0, 0, 4 + 1 + 2.25]) spacer_ridges();
}
//rounded second ring connectors
for (i = [0 : spokes]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, 205 / 2, 0]) difference () {
translate([0, 2, 0]) cube([13, 12, H], center = true);
translate([6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
}
}
//second ring connectors
for (i = [0 : spokes * 2]) {
rotate([0, 0, i * (360 / (spokes * 2))]) translate([0, 205 / 2, 0]) difference () {
translate([0, 4, 0]) cube([13, 8, H], center = true);
translate([6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.2, 8.75, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
}
}
for (i = [0 : spokes * 2]) {
rotate([0, 0, i * (360 / (spokes * 2))]) translate([0, 289 / 2, 0]) difference () {
translate([0, 0, 0]) cube([13, 9, H], center = true);
translate([6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
}
}
}
module film_guide (rotations = 40, od = 215.75) {
SPIRALROTATION=rotations * 360;
SPIRALSTEPS=180;
INITIALRADIUS= od / 2; //300 / 2;
PITCH=2.07675;
XMAXSHAPE=2;
InwardSpiral (
SPIRALROTATION/SPIRALSTEPS,
SPIRALSTEPS,
INITIALRADIUS,
PITCH,
XMAXSHAPE);
}
if (PART == "spiral") {
gnal_spiral_100ft();
} else if (PART == "") {
gnal_100ft_top();
}

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//V2
include <../libraries/gnal.scad>;
$fn = 20;
SPOKE_COUNT = 24;
module gnal_spiral_50ft (spiral_count = 40, od = 215.75) {
outer_d = 215;
outer_d_inside = 209;
outer_h = 7.5;
spoke_len = 81;
spoke_w = 3;
spoke_h = 4.2 + 3;
spoke_2_len = 43;
translate([0, 0, -3.6]) difference () {
cylinder(r = outer_d / 2, h = spoke_h, center = true, $fn = 500);
cylinder(r = outer_d_inside / 2, h = outer_h + 1, center = true, $fn = 500);
}
difference () {
gnal_spiral_core();
//rounded spoke voids
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([0, 26.75, 0]) {
cylinder(r = 2, h = 20, center = true, $fn = 40);
}
}
}
}
//main spokes
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, i * (360 / SPOKE_COUNT)]) {
translate([(spoke_len / 2) + (48 / 2), 0, -3.6]) {
cube([spoke_len, spoke_w, spoke_h], center = true);
}
}
}
//secondary spokes
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([(outer_d / 2) - (spoke_2_len / 2) - 2, 0, -3.6]) {
cube([spoke_2_len, spoke_w, spoke_h], center = true);
}
}
}
//spoke cross bars
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT)]) {
translate([63, 0, -3.6]) {
rotate([0, 0, 20]) {
cube([ spoke_w, 18, spoke_h], center = true);
}
}
}
}
translate([0, 0, -.1]) {
rotate([0, 0, -90]) {
difference () {
film_guide(spiral_count, od);
for (i = [0 : SPOKE_COUNT]) {
rotate([0, 0, (i + 0.5) * (360 / SPOKE_COUNT) ]) {
translate([(spoke_len / 4) + (48 / 2), 0, -3.6]) triangle_void();
}
}
for (i = [0 : SPOKE_COUNT * 2]) {
rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2)) ]) {
translate([(outer_d / 2) - (spoke_2_len / 2) + 1 , 0, -3.6]) triangle_void_2();
}
}
}
}
}
}
module top () {
H = 5;
center_d = 53;
spoke_w = 4.5;
spokes = 12;
outer_d = 215;
inner_d = 150;
void_d = 22.5;
hole_d = 3.5;
hole_spacing = 37;
core_d = 29.5;
core_bottom_d = 26.2;
difference () {
union () {
cylinder(r = center_d / 2, h = H, center = true, $fn = 100);
for (i = [0 : spokes]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, outer_d / 4, 0]) cube([spoke_w, (outer_d / 2) - 1, H], center = true);
}
}
//void
cylinder(r = void_d / 2, h = H + 1, center = true, $fn = 100);
//speed holes
for (i = [0 : 3]) {
rotate([0, 0, (i * 90) + 45]) translate([0, hole_spacing / 2, 0]) cylinder(r = hole_d / 2, h = H + 1, center = true);
}
//rounding of center cylinder
for (i = [0 : spokes]) {
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([-2.75, 26.5, 0]) cylinder(r = 2, h = H+1, center = true, $fn = 40);
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([2.75, 26.5, 0]) cylinder(r = 2, h = H+1, center = true, $fn = 40);
rotate([0, 0, (i + 0.5) * (360 / spokes)]) translate([0, 26.5, 0]) cube([5, 4, H + 1], center = true);
}
}
difference () {
cylinder(r = (center_d / 2) - 1.8, h = H, center = true, $fn = 200);
cylinder(r = (hole_spacing / 2) + 2, h = H + 1, center = true, $fn = 200);
}
//outer ring
difference () {
cylinder(r = outer_d / 2, h = H, center = true, $fn = 200);
cylinder(r = (outer_d / 2) - 5, h = H + 1, center = true, $fn = 200);
}
//inner ring
difference () {
cylinder(r = inner_d / 2, h = H, center = true, $fn = 200);
cylinder(r = (inner_d / 2) - 5, h = H + 1, center = true, $fn = 200);
}
//rounded cross connectors
for (i = [0 : spokes]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, (inner_d / 2) - (spoke_w / 2), 0]) difference() {
cylinder(r = 6.5, h = H, center = true);
translate([6.25, 6, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.25, 6, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.1, -7, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([6.1, -7, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
}
}
difference () {
union () {
translate([0, 0, 3.75 + 1]) cylinder(r = core_d / 2, h = H, center = true, $fn = 60);
translate([0, 0, 3.75 + 1 + 3.2]) cylinder(r = core_bottom_d / 2, h = H, center = true, $fn = 60);
}
cylinder(r = void_d / 2, h = H * 5 , center = true, $fn = 100);
translate([0, 0, 4 + 1 + 2.25]) spacer_ridges();
}
//rounded outer ring connectors
for (i = [0 : spokes]) {
rotate([0, 0, i * (360 / spokes)]) translate([0, 205 / 2, 0]) difference () {
cube([13, 9, H], center = true);
translate([6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
translate([-6.2, -4.2, 0]) cylinder(r = 4, h = H + 1, center = true, $fn = 60);
}
}
}
module film_guide (rotations = 40, od = 215.75) {
SPIRALROTATION=rotations * 360;
SPIRALSTEPS=180;
INITIALRADIUS= od / 2; //300 / 2;
PITCH=2.07675;
XMAXSHAPE=2;
InwardSpiral (
SPIRALROTATION/SPIRALSTEPS,
SPIRALSTEPS,
INITIALRADIUS,
PITCH,
XMAXSHAPE);
}
//difference() {
//spiral();
//translate([250, 0, 0]) cube([500, 500, 50], center = true);
//rotate([0, 0, 150]) translate([250, 0, 0]) cube([500, 500, 50], center = true);
//}
//color("blue") spiral_bottom_insert_s8();
//translate([0, 0, 4]) spiral_bottom_insert_16();
//translate([0, 0, 12.5]) spacer_16();
//real 88m24.685s
//user 88m16.804s
//sys 0m6.259s
//spacer();
//translate([0, 0, 16 + 8]) spiral();
//top();
//film_guide (rotations = 10);
//1 Rotation = 0 hours, 0 minutes, 47 seconds
//2 Rotation = 0 hours, 1 minutes, 3 seconds
//3 Rotation = 0 hours, 1 minutes, 15 seconds
//10 Rotation = 0 hours, 4 minutes, 47 seconds

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//GNAL Shared Library
include <./path_extrude.scad>;
include <./threads.scad>;
/**
* THREADS
* TOP (large screw)
* metric_thread (diameter=13.6, pitch=1.5 ,thread_size = 1.6, length = 21);
* TOP VOID
* metric_thread (diameter=13.6 + .5, pitch=1.5, thread_size = 1.6, length = 21);
* + clone translated along Z by 0.2mm
* BOTTOM (small screw)
* metric_thread (diameter=10, pitch=1.5, thread_size = 1.6, length=LEN);
*/
OD = 10 + .5;
PITCH = 1.5;
THREAD = 1.6;
LEN = 21;
INSERT_D = 26;
/**
* Core (center of the reel)
**/
module gnal_spiral_core () {
$fn = 360;
core_center_h = 4.2 + 3;;
core_bottom_outer_d = 53;
core_bottom_outer_void_d = 44;
core_bottom_outer_h = 4.2;
core_d = 29.5;
core_h = 8.5;
core_bottom_d = 26;
core_bottom_h = 4.2;
top_z_offset = (core_h / 2) - (core_center_h / 2);
core_void_outer_d = 20.5;
core_void_inner_d = 14.5;
core_void_h = 11.5;
arms_outer_d = 48;
arms_inner_d = 48 - 7;
void_d = 18;
film_void = 0.6;
difference () {
union() {
//center
translate([0, 0, -core_center_h / 2]) {
cylinder(r = (core_bottom_outer_d - 1) / 2, h = core_center_h, center = true);
}
//top
translate([0, 0, top_z_offset]) {
cylinder(r = core_d / 2, h = core_h + core_center_h, center = true);
}
}
cylinder(r = void_d / 2, h = 30, center = true);
translate([0, 0, -7.2]) spiral_bottom_insert_void();
}
//arms
difference () {
union () {
translate([0, 0, top_z_offset]) difference() {
//adjusted arm (shorter)
intersection () {
cylinder(r = arms_outer_d / 2, h = core_h + core_center_h, center = true);
translate([1, 0, 0]) cylinder(r = arms_outer_d / 2, h = core_h + core_center_h, center = true);
}
intersection () {
cylinder(r = arms_inner_d / 2, h = core_h + core_center_h + 1, center = true);
translate([1, 0, 0]) cylinder(r = arms_inner_d / 2, h = core_h + core_center_h + 1, center = true);
}
translate([0, arms_outer_d / 2, 0]) cube([arms_outer_d, arms_outer_d, arms_outer_d], center = true);
}
//rounded arm end
translate([(arms_outer_d + arms_inner_d) / 4, 0, top_z_offset]) cylinder(r = 3.5 / 2, h = core_h + core_center_h, center = true, $fn = 40);
//adjusted arm
translate([-((arms_outer_d + arms_inner_d) / 4) + 1, 0, top_z_offset]) cylinder(r = 3.5 / 2, h = core_h + core_center_h, center = true, $fn = 40);
difference () {
rotate([0, 0, -120]) translate([13.75, 0, top_z_offset]) cube([16, 20, core_h + core_center_h], center = true);
//remove piece from adjusted arm
translate([-19, -14, 0]) rotate([0, 0, 10]) cube([4, 4, 30], center = true);
//remove piece from non-adjusted arm
rotate([0, 0, 45]) translate([-19, -14, 0]) rotate([0, 0, -10]) cube([4, 4, 30], center = true);
rotate([0, 0, -120 - 37]) translate([18, 0, top_z_offset]) {
cylinder(r = 6.8 / 2, h = 30, center = true);
translate([-4, -2, 0]) cube([4, 4, 30], center = true);
}
rotate([0, 0, -120 + 37]) translate([18, 0, top_z_offset]) {
cylinder(r = 6.8 / 2, h = 30, center = true);
translate([-4, 2, 0]) cube([4, 4, 30], center = true);
}
}
}
//film void (notches)
rotate([0, 0, -120]) {
translate([20, -5, 0]) {
rotate([0, 0, 45]) {
cube([20, film_void, 30], center = true);
}
}
}
rotate([0, 0, -120]) {
translate([20, 5, 0]) {
rotate([0, 0, -45]) {
cube([20, film_void, 30], center = true);
}
}
}
//flatten piece
rotate([0, 0, -120]) translate([25, 0, 0]) difference () {
cylinder(r = 8 / 2, h = 30, center = true);
translate([-6.9, 0, 0]) cube([8, 8, 30], center = true);
}
cylinder(r = core_void_outer_d / 2, h = core_void_h, center = true);
rotate([0, 0, -120]) translate([20, 0, -1.5]) rotate([0, 0, 45]) cube([20, 20, 3.01], center = true);
cylinder(r = void_d / 2, h = 30, center = true);
translate([0, 0, -7.2]) spiral_bottom_insert_void();
}
}
module spiral_bottom_insert_void () {
intersection () {
rotate([0, 45, 0]) cube([3, INSERT_D + 2, 3], center = true);
cylinder(r = (INSERT_D + 1) / 2, h = 6, center = true);
}
intersection () {
rotate([0, 45, 90]) cube([3, INSERT_D + 2, 3], center = true);
cylinder(r = (INSERT_D + 1) / 2, h = 6, center = true);
}
}
module spiral_bottom_insert_s8 () {
$fn = 160;
void_d = 18 - .3;
H = 17;
D2 = INSERT_D;
translate([0, 0, 0]) difference () {
union () {
cylinder(r = void_d / 2, h = H, center = true);
//skirt
translate([0, 0, -(H - 1) / 2]) cylinder(r = D2 / 2, h = 1.5, center = true);
//notches
translate([0, 0, -((H - 2.5) / 2) - .1]) {
intersection () {
cylinder(r = D2 / 2, h = 6, center = true);
difference () {
rotate([0, 45, 0]) cube([3, D2 + 2, 3], center = true);
translate([0, 0, -1.5]) cube([6, D2 + 3, 3], center = true);
}
}
intersection () {
cylinder(r = D2 / 2, h = 6, center = true);
rotate([0, 0, 90]) difference () {
rotate([0, 45, 0]) cube([3, D2 + 2, 3], center = true);
translate([0, 0, -1.5]) cube([6, D2 + 3, 3], center = true);
}
}
}
}
translate([0, 0, -LEN / 2]) metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length=LEN);
}
}
module spiral_bottom_insert_16 () {
$fn = 160;
void_d = 18 - .3;
H = 17 + 8;
D2 = INSERT_D;
RIDGES = 8;
RIDGE_D = 3;
translate([0, 0, 0]) difference () {
union () {
cylinder(r = void_d / 2, h = H, center = true);
//skirt
translate([0, 0, -(H - 1) / 2]) cylinder(r = D2 / 2, h = 1.5, center = true);
//notches
translate([0, 0, -((H - 2.5) / 2) - .1]) {
intersection () {
cylinder(r = D2 / 2, h = 6, center = true);
difference () {
rotate([0, 45, 0]) cube([3, D2 + 2, 3], center = true);
translate([0, 0, -1.5]) cube([6, D2 + 3, 3], center = true);
}
}
intersection () {
cylinder(r = D2 / 2, h = 6, center = true);
rotate([0, 0, 90]) difference () {
rotate([0, 45, 0]) cube([3, D2 + 2, 3], center = true);
translate([0, 0, -1.5]) cube([6, D2 + 3, 3], center = true);
}
}
}
}
translate([0, 0, -(H / 2) - 2]) metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length=LEN + 8);
translate([0, 0, 8.5]) {
for (i = [0: RIDGES - 1]) {
rotate([0, 0, i * (360 / RIDGES)]) translate([void_d / 2, 0, 0]) cylinder(r = RIDGE_D / 2, h = 8.1, center = true);
}
}
}
}
/**
* Spacers
**/
module spacer_ridges () {
ridges = 16;
for (i = [0 : ridges]) {
rotate([0, 0, i * (360 / ridges)]) translate([13.5, 0, 0]) cylinder(r = 1.25, h = 8, $fn = 60);
}
}
module spacer_ridges_loose () {
ridges = 16;
intersection () {
union () {
for (i = [0 : ridges]) {
rotate([0, 0, i * (360 / ridges)]) translate([13.7, 0, 0]) cylinder(r = 1.25, h = 8, $fn = 60);
}
}
cylinder(r = 13.7, h = 12, center = true);
}
}
module spacer_outer_ridges () {
ridges = 24;
H = 6.5;
difference () {
union () {
for (i = [0 : ridges]) {
rotate([0, 0, i * (360 / ridges)]) translate([14.6, 0, -4.75]) cylinder(r = 1.25, h = 8, $fn = 30);
}
}
translate([0, 0, -4.1]) difference () {
cylinder(r = 33 / 2, h = 4, center = true, $fn = 100);
cylinder(r2 = 33 / 2, r1 = 27.75 / 2, h = 4.1, center = true, $fn = 100);
}
}
}
module spacer () {
add = 3.25;
core_d = 29.5;
core_bottom_d = 26.2 + .2;
void_d = 22.5;
h = 8 + add;
translate([0, 0, (add / 2) - 1]) difference () {
union () {
difference () {
cylinder(r = core_d / 2, h = h, center = true, $fn = 200);
translate([0, 0, 8]) cylinder(r = core_bottom_d / 2, h = h, center = true, $fn = 200);
cylinder(r = void_d / 2, h = h + 1, center = true, $fn = 200);
}
translate([0, 0, 0]) spacer_ridges_loose();
spacer_outer_ridges();
}
//trim top
translate([0, 0, h - 0.1]) cylinder(r = (core_d + 1) / 2, h = h, center = true, $fn = 200);
//trim bottom
translate([0, 0, -h + 0.9]) cylinder(r = (core_d + 1) / 2, h = h, center = true, $fn = 200);
//finger grips
//translate([0, 24, 0]) rotate([-6, 0, 0]) cylinder(r = 10, h = 6, center = true, $fn = 100);
//translate([0, -24, 0]) rotate([6, 0, 0]) cylinder(r = 10, h = 6, center = true, $fn = 100);
}
}
module spacer_16 () {
core_d = 29.5;
core_bottom_d = 26.2 + .2;
void_d = 18;
h = 8;
RIDGES = 8;
RIDGE_D = 3;
translate([0, 0, 0]) difference () {
union () {
difference () {
cylinder(r = core_d / 2, h = h, center = true, $fn = 200);
cylinder(r = void_d / 2, h = h + 1, center = true, $fn = 200);
}
translate([0, 0, -.75]) rotate([0, 180, 0]) spacer_outer_ridges();
}
}
translate([0, 0, 0]) {
for (i = [0: RIDGES - 1]) {
rotate([0, 0, i * (360 / RIDGES)]) translate([void_d / 2, 0, 0]) cylinder(r = RIDGE_D / 2, h = 8, center = true);
}
}
}
/**
* Spokes
**/
module triangle_void () {
length = (81 / 2) - 9;
width = 12;
height = 4.5 + 2.7;
ANGLE_A = 34.8;
ANGLE_B = 180 / SPOKE_COUNT;
difference () {
translate([-1, 0, 0]) cube([length, width, height], center = true);
translate([0, 10.3, 0]) rotate([0, 0, ANGLE_B]) cube([length * 2, width, height + 1], center = true);
translate([0, -10.3, 0]) rotate([0, 0, -ANGLE_B]) cube([length * 2, width, height + 1], center = true);
translate([0, 10.3, -.7]) rotate([ANGLE_A, 0, 0]) cube([length *2, width, height * 10], center = true);
translate([0, -10.3, -.7]) rotate([-ANGLE_A, 0, 0]) cube([length *2, width, height * 10], center = true);
}
}
module triangle_void_2 () {
length = 43 - 8;
width = 12;
height = 4.5 + 2.7;
ANGLE_A = 34.8;
ANGLE_B = 90 / SPOKE_COUNT;
angle_w = 10.2;
difference () {
translate([-1, 0, 0]) cube([length, width, height], center = true);
translate([0, angle_w, 0]) rotate([0, 0, ANGLE_B]) cube([length *2, width, height * 10], center = true);
translate([0, -angle_w, 0]) rotate([0, 0, -ANGLE_B]) cube([length *2, width, height * 10], center = true);
translate([0, angle_w, -.7]) rotate([ANGLE_A, 0, 0]) cube([length *2, width, height * 10], center = true);
translate([0, -angle_w, -.7]) rotate([-ANGLE_A, 0, 0]) cube([length *2, width, height * 10], center = true);
}
}
module triangle_void_3 () {
length = 32;
width = 10;
height = 4.5 + 2.7;
ANGLE_A = 31;
ANGLE_B = 45 / SPOKE_COUNT;
angle_w = 7.8;
difference () {
translate([-1, 0, 0]) cube([length, width, height], center = true);
translate([0, angle_w, 0]) rotate([0, 0, ANGLE_B]) cube([length *2, width, height * 10], center = true);
translate([0, -angle_w, 0]) rotate([0, 0, -ANGLE_B]) cube([length *2, width, height * 10], center = true);
translate([0, angle_w, -.7]) rotate([ANGLE_A, 0, 0]) cube([length *2, width, height * 10], center = true);
translate([0, -angle_w, -.7]) rotate([-ANGLE_A, 0, 0]) cube([length *2, width, height * 10], center = true);
}
}
/**
* Spiral Generation Modules
*/
module spirals_old (count = 40, start_d = 48, spacing = 2) {
facet_size = 30;
bottom = 1.2;
top = .3;
top_offset = (bottom - top);
h = 2.2;
od = start_d + (spacing * 2 * count);
echo("SPIRAL LENGTH", PI * count * (od + start_d + 1) / 2);
echo("OUTER D", od);
facetProfile = [[0, 0], [top_offset, -h], [bottom, -h], [bottom, 0]];
union () {
for (s = [0 : count - 1]) {
d = start_d + (s * spacing * 2);
c = PI * pow(d / 2, 2);
$fn = ceil( c / facet_size );
angle_i = 360 / $fn;
increment = spacing / $fn;
spiralPath = [ for(t = [0 : $fn + 1]) [((d / 2) + (t * increment)) * cos(t * angle_i), ((d / 2) + (t * increment)) * sin(t * angle_i), 0] ];
path_extrude(exShape=facetProfile, exPath=spiralPath);
}
}
}
/**
* InwardSpiral code provided by Les Smith
*
* https://gist.github.com/sixteenmillimeter/839c16d39d26d04154f52b3f3ee6ee78
**/
module ShapeToExtrude () {
bottom = -7.1;
w = 1.2;
top_w = .4;
top_offset = (w - top_w);
h = 2.2;
// Build in +x space. The outside edge of this shape must follow the extrusion path, or there will be open seams..
polygon ( points= [
[w, bottom],
[0, bottom],
[0, 0],
[top_offset, h],
[w, h],
[w, 0]
]);
}
module InwardSpiral (StepSize, Steps, StartRadius, Pitch, ShapeX) {
for (i=[0 : Steps - 1]) {
// This could be made more computationally efficient
// by collapsing intermediate values and by doing only
// essential calculations inside the loop, but for now
// let's just leave it easy to read.
ThisTheta = StepSize * i;
NextTheta = StepSize * (i + 1);
ThisRadius = StartRadius - i * (Pitch * (StepSize / 360));
// Spiral step approximated by arc of radius ThisRadius,
// passing through the start and end points calculated here.
NextRadius = StartRadius - (i + 1) * (Pitch * (StepSize / 360));
ThisX = ThisRadius * sin(ThisTheta);
ThisY = ThisRadius * cos(ThisTheta);
NextX = NextRadius * sin(NextTheta);
NextY = NextRadius * cos(NextTheta);
DeltaX = NextX - ThisX;
DeltaY = NextY - ThisY;
SlopeToNext = DeltaY / DeltaX;
BisecSlope = -1 / SlopeToNext;
ThisXYToBisector = sqrt(DeltaX * DeltaX + DeltaY * DeltaY) / 2;
BisectX = ThisX + (DeltaX / 2);
BisectY = ThisY + (DeltaY / 2);
BisectToCentre = sqrt(pow(ThisRadius, 2) - pow(ThisXYToBisector, 2));
AbsXComponent = sqrt(pow(BisectToCentre, 2) / ( 1 + pow(BisecSlope, 2)));
XComponent = NextY < ThisY ? AbsXComponent: -AbsXComponent;
YComponent = XComponent * BisecSlope;
CentreX = BisectX - XComponent;
CentreY = BisectY - YComponent;
ExtrudeAngle = -2 * acos(BisectToCentre / ThisRadius);
ArcOrientation = NextY < ThisY ? atan(BisecSlope) - (ExtrudeAngle / 2) : -180 + atan(BisecSlope) -(ExtrudeAngle / 2);
translate([CentreX, CentreY, 0]) {
rotate ([0, 0, ArcOrientation]) {
rotate_extrude (angle=ExtrudeAngle, $fn=300) translate ([ThisRadius - ShapeX, 0, 0])ShapeToExtrude();
}
}
}
}
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